Plat Irid
1
to
31
821
56
789
351
240
110
91
90
80
69
61
36
34
23
20
12
10
8
7
5
2
2
1
1
1
114
51
11
10
9
Sort By
Platinum Diamond Vintage Five-Stone Wedding Band - 900 Rnd.50ctw Knife-Edge Ring
Located in Greensboro, NC
: 3.7 Grams
Stamps: 900 Plat, IRID (remainder worn)
Condition: Pre-Owned
Professionally cleaned
Category
21st Century and Contemporary Wedding Rings
Materials
Diamond, Platinum
Vintage Tiffany & Co. Diamond Sapphire Irid Platinum Cocktail Ring
By Tiffany & Co.
Located in Holland, PA
: 5 (resize available)
Weight: 3.4 grams
Stamped Hallmarks: Tiffany & Co Irid.Plat
*Free Shipping
Category
Vintage 1960s American Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Art Deco Sapphire Diamond Engagement Ring 1.12ct Original 1930's Antique Plat
Located in Dearborn, MI
for $100)
Metal: Platinum
Stamp: 10% IRID PLAT
We strive to provide the most accurate
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, Sapphire, Platinum
Art Deco Sapphire Diamond Engagement Ring 1.50ct Original 1920-1930 Antique Plat
Located in Dearborn, MI
% IRID 90% PLAT
Measures:
5.8mm off the finger
6.3mm in length (North/South)
19.8mm in width (East
Category
Vintage 1920s Art Deco Engagement Rings
Materials
Diamond, Sapphire, Platinum
Art Deco Sapphire Diamond Engagement Ring .67ct Original 1930-1940 Antique Plat
Located in Dearborn, MI
% IRID PLAT
Measures:
5.7mm off the finger
5.8mm in length (North/South)
14.7mm in width (East/West
Category
Vintage 1940s Art Deco Engagement Rings
Materials
Diamond, Sapphire, Platinum
Art Deco 2 Stone Sapphire Diamond Ring 2.71ct Baguettes Original 1920's Plat
Located in Dearborn, MI
Stamp: IRID PLAT
Weight: 4.6 Grams
Measures:
1/4 of an inch off the finger
5/8 of an inch in length
Category
Vintage 1920s Art Deco Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Platinum Wedding Band Ring or Stacking Ring
Located in BALMAIN, NSW
Art Deco Platinum Stacking Ring, Pentadecagon
Stamped "900 PLAT 100 IRID" indicating 90% Platinum
Category
20th Century Art Deco Wedding Rings
Materials
Platinum
Diamond Bangle
Located in New York, NY
Stamped IRID PLAT 18K
Total Approximate Diamond Weight: 11.23 carats
Inner Circumference: 6.75"
Category
Vintage 1980s Bangles
Materials
Diamond, Gold, 18k Gold, Platinum
TIFFANY & Co Vintage sapphire earrings 10+ct
By Tiffany & Co.
Located in Glasgow, GB
10.5-11.O carats, signed Tiffany & Co., stamped
IRID PLAT and 14K, 1.7cm, 8.8g.
Category
Vintage 1950s Art Deco Clip-on Earrings
Materials
Sapphire, 14k Gold, White Gold
1950s 6.00ct Diamond Double Clip Pin and Earrings Set
Located in New York, NY
stamped IRID PLAT 18K and weighs 37.2 grams.
Category
20th Century Brooches
Materials
Diamond, 18k Gold, Platinum
Vintage 1.35 TCW Diamond Platinum Baguette Three-Stone Band Ring
Located in New York, NY
Ring : 14.0 x 9.2 x 6.5 mm
Ring Size: 9.5
Hallmark: 10%Irid.Plat
Item #:BR-842-121722-05
Category
20th Century Band Rings
Materials
Diamond, Platinum
Tiffany & Co Diamond Gold and Platinum Snowflake Earrings
By Tiffany & Co.
Located in New York, NY
G/VS diamonds. Earrings measure approx. 1" x 1". Hallmarked 18k, Irid. Plat, Tiffany & Co. Weight
Category
Mid-20th Century American Clip-on Earrings
Materials
Diamond, Gold, Platinum
Art Deco Diamond, Emerald And Platinum Bracelet, Circa 1925
Located in London, GB
platinum, stamped 10% irid plat, numbered 27700, made in the USA, Circa 1925, with an estimated total
Category
Vintage 1920s American Art Deco Link Bracelets
Materials
Diamond, Emerald, Platinum
Art Deco 1.00ct Diamond Engagement Ring
Located in New York, NY
ring measures 9.5mm by 18mm. The ring is stamped 10% IRID PLAT and weighs 3.1 grams. The ring is size 7
Category
20th Century Engagement Rings
Materials
Diamond, Platinum
Oval Sapphire & Diamond Ring
Located in New York, NY
origin and is heated
Stamped Fougeray and 10% IRID PLAT
Ring Size: 7.5
Resizable free of charge
Category
Vintage 1980s Three-Stone Rings
Materials
Diamond, Sapphire, Platinum
Blue Sapphire & Diamond Buckle Ring made in Platinum
Located in Webster, NY
Average Diamond Clarity: VVS-VS
Blue Sapphire Carat Weight: 1.50CTW
Metal: Platinum
Stamped: "10% IRID
Category
20th Century Cocktail Rings
Materials
Blue Sapphire, Diamond, Platinum
Blue Sapphire & Diamond Cocktail Ring in Platinum
Located in Webster, NY
% PLAT 10% IRID"
Size: 6.5 - sizable
Weight: 4.8 grams
Category
20th Century Cocktail Rings
Materials
Diamond, Blue Sapphire, Platinum
Tiffany & Co Art Deco Platinum Diamond Bracelet
By Tiffany & Co.
Located in New York, NY
" long and 9.5mm wide. Marked: Tiffany & Co, Irid,. Plat. Weight - 17.6 grams.
Category
Vintage 1920s American Art Deco More Bracelets
Materials
Diamond, Platinum
Longines Diamond Vintage Ladies Wristwatch - Platinum 6.50ctw One Year Warranty
By Longines
Located in Greensboro, NC
Weight: 33.7 Grams
Stamps: Swiss, IRID. Plat
Condition: Pre-Owned
Professionally cleaned, polished, and
Category
21st Century and Contemporary Wrist Watches
Materials
Diamond, Platinum
Midcentury Platinum Diamond Ring
Located in New York, NY
. Marked: 10% irid. plat. Weight - 5 grams.
Category
Mid-20th Century More Rings
Materials
Diamond, Platinum
GIA Certified 4.92ct Diamond Engagement Ring
Located in New York, NY
accentuated by dazzling baguette cut diamond accents. The ring is stamped 10% IRID PLAT and weighs 6.1 grams
Category
20th Century Engagement Rings
Materials
Diamond, Platinum
Ladies Antique Art Deco Platinum Old European Diamond Engagement Ring
Located in Houston, TX
round shank. The ring is a size 6.75. Engraved with "900 PLAT" and "10% IRID PLAT".
Antique in
Category
20th Century Unknown Engagement Rings
Materials
Diamond, Platinum
Platinum Diamond and Emerald Engagement Ring Size 7 #16967
Located in Washington Depot, CT
.
Stamped: X-IRID PLAT
JAGi Certificate included.
Very good condition, professionally polished.
Will come
Category
20th Century Engagement Rings
Materials
White Diamond, Emerald, Platinum
Tiffany & Co. Platinum Diamond Emerald Brooch Pin
By Tiffany & Co.
Located in New York, NY
- 55mm x 22mm. Weights 16.1 grams. Marked Tiffany & Co Irid Plat.
Category
20th Century Brooches
Materials
Diamond, Emerald, Platinum
Antique Platinum Diamond Wedding Band Ring
Located in Houston, TX
900 platinum, diamond antique wedding band with a half-round shank. Engraved with "90% PLAT. 10% IRID
Category
Early 20th Century Unknown Band Rings
Materials
Diamond, Platinum
Platinum and 14K White Gold Vintage Diamond Wedding Ring Set 1.45ct
Located in Laguna Beach, CA
Ladies' vintage platinum and 14k white gold engagement ring set.
The main ring is stamped 900 Plat
Category
Mid-20th Century Wedding Rings
Materials
Diamond, 14k Gold, White Gold, Platinum
Diamond Emerald Bracelet
Located in New York, NY
: IRID. PLAT. 10% R&B
Category
20th Century Clamper Bracelets
Materials
Diamond, Emerald, Platinum
Platinum Sapphire Solitaire Engagement Ring - 900 Pear 1.55ct
Located in Greensboro, NC
" (7.8mm)
Rise Above Finger: 5/16" (7.8mm)
Weight: 7.6 Grams
Stamps: 10% IRID Plat (worn, partial), Jabel
Category
21st Century and Contemporary Engagement Rings
Materials
Sapphire, Platinum
Platinum Aquamarine & Diamond Ring - 900 Pear 1.45ctw Engagement Size 5 1/2
Located in Greensboro, NC
to south): 13/32" (9.7mm)
Rise Above Finger: 1/4" (6.3mm)
Weight: 3 Grams
Stamps: 10% IRID Plat
Category
21st Century and Contemporary Engagement Rings
Materials
Aquamarine, Diamond, Platinum
Art Deco Diamond Solitaire Platinum Ring
Located in Beverly Hills, CA
: 10% Irid Plat
Size/Measurements: 6 ring size
Weight: 4 grams
Category
Vintage 1930s Art Deco Solitaire Rings
Materials
Diamond, Platinum
Art Deco Ruby, Diamond And Platinum Bracelet, Circa 1935
Located in London, GB
edges and pierced open sides, mounted in platinum, secured with a box and safety clasp, stamped 900 plat
Category
Vintage 1930s American Art Deco Link Bracelets
Materials
Diamond, Ruby, Platinum
Vintage Tiffany & Co. Emerald, Diamond and Platinum Tank Ring, Dated 1940
By Tiffany & Co.
Located in London, GB
stamped "Irid Plat", dated 1940.
Category
Vintage 1940s American Art Deco Cocktail Rings
Materials
Diamond, Emerald, Platinum
Vintage Platinum 1950s 1.31 Carat Round Diamond Ring
Located in Boston, MA
is a size US 6.5 and has the ability to be sized. Stamped inside the shank is "10% Irid.Plat".
Category
Mid-20th Century American Retro Engagement Rings
Materials
Diamond, Platinum
Oscar Heyman 3.87ct Oval Ruby and Baguette Diamond Platinum Ballerina Ring
By Oscar Heyman
Located in Chevy Chase, MD
the ring has the Oscar Heyman insignia, serial number "10583", and is stamped "IRID PLAT". The ring
Category
Late 20th Century American Retro Fashion Rings
Materials
Diamond, Ruby, Platinum
GIA Certified 1.04 Carat Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
diamonds totaling 0.16 ct., F-G / VS-2
Circa: 1930s, Art Deco
Stamp/Hallmark: IRID, PLAT
Size/Measurements
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, Platinum
Platinum Emerald & Diamond Ring - 900 Oval 1.75ctw Engagement Size 7 1/2
Located in Greensboro, NC
: 900 Plat 100 IRID, maker's mark, Seico, 31
Condition: Pre-Owned
Professionally cleaned, polished
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Emerald, Platinum
Vintage 1930s Art Deco Platinum Diamond Engagement Ring .65ct
Located in Boston, MA
with "900 Plat. 10% Irid" and currently has a finger size of 7. It can be sized up or down upon request
Category
Vintage 1930s Art Deco Bridal Rings
Materials
Diamond, Platinum
Platinum Diamond Art Deco Ring - European Cut 1.70ctw Vintage Filigree
Located in Greensboro, NC
Height (north to south): 3/8" (9.3mm)
Rise Above Finger: 1/4" (6.3mm)
Weight: 4.4 Grams
Stamps: 5% IRID
Category
Vintage 1920s Cocktail Rings
Materials
Diamond, Platinum
Tiffany & Co Burma Ruby Platinum Eternity Band
By Tiffany & Co.
Located in New York, NY
height. Signed on the inside of the band " Tiffany & Co. IRID PLAT. Ring size 6.75 can not be sized.
Category
Vintage 1970s American Wedding Rings
Materials
Ruby, Platinum
TIFFANY & CO. Circular Diamond Pin in Platinum
By Tiffany & Co.
Located in Houston, TX
total 4.10 carats, E-F color, VVS2-VS1 clarity. Signed: Tiffany & Co Irid Plat
Category
Vintage 1980s American Brooches
Materials
Diamond, Platinum
Oscar Heyman 7.91 Carat Ceylon Star Sapphire and Diamond Gent's Ring
By Oscar Heyman
Located in New York City, NY
, IRID PLAT, and serial number 302053.
Size 10. Can be sized at no charge between 9- 11. No refunds on
Category
2010s American Contemporary More Rings
Materials
Diamond, Star Sapphire, Platinum
GIA Certified 2.40 Carat Diamond Platinum Art Deco Engagement Ring
Located in Beverly Hills, CA
/Hallmark: 10% IRID PLAT
Size/Measurements: 6.5 ring size
Weight: 3.6 grams
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, Platinum
Diamond Solitaire Platinum Engagement Ring
Located in Beverly Hills, CA
= 0.75 ct., G-H / VS-2
Gemstone: Diamonds totaling 0.10 ct.
Circa: Retro, 1940s
Stamp/Hallmark: 10% Irid
Category
Vintage 1940s Retro Engagement Rings
Materials
Diamond, Platinum
Vintage Tiffany & Co. Platinum Baguette Channel 3mm Band Ring
By Tiffany & Co.
Located in New York, NY
.)
Ring Specifications
Brand: Tiffany & Co.
Style: Vintage
Hallmarks: Tiffany & Co. IRID. PLAT
Metal
Category
Vintage 1950s American Retro Band Rings
Materials
Diamond, Platinum
Platinum Diamond Art Deco Engagement Ring - Transitional Round .48ctw Vintage
Located in Greensboro, NC
" (5.2mm)
Weight: 3.6 Grams
Stamps: 10% IRID Plat (worn, partial)
Condition: Pre-Owned
Professionally
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, Platinum
Tanzanite and Diamond Platinum Ring, circa 1970s
Located in Beverly Hills, CA
: Diamonds totaling 1.75 ct., F-G / VS-1
Circa: 1970s
Stamp/Hallmark: Irid Plat
Size/Measurements: 6.5 ring
Category
20th Century Dome Rings
Materials
Tanzanite, Diamond, Platinum
Art Deco Anniversary Band Original 1930's Platinum Antique Eternity Band
Located in Dearborn, MI
)
Metal: Platinum
Stamp: 10% IRID PLAT
We strive to provide the most accurate descriptions possible
Category
Vintage 1930s Art Deco Wedding Rings
Materials
Platinum
Art Deco Diamond Engagement Ring Platinum
Located in Litchfield, CT
clarity side diamonds.
HALLMARKS: 10% IRID Plat
STOCK NUMBER: 23855
Jewelry acquired from this
Category
Vintage 1930s American Art Deco Engagement Rings
Materials
Diamond, Platinum
EGL Certified .75 Carat Diamond Three Stone Platinum Engagement Ring
Located in Stamford, CT
7.5 and sizable
Platinum
Stamped: 10% Irid Plat
3.4 grams
Width at top: 6.1mm
Height at top: 6.0mm
Category
Mid-20th Century Engagement Rings
Materials
Diamond, Platinum
Peacock Vintage Diamond Ruby and Sapphire Three-Stone Ring
Located in London, GB
Maker's Mark: PEACOCK
Marked: 'IRID PLAT'
Box: The Vintage Jeweller Ring Box
Category
Mid-20th Century Three-Stone Rings
Materials
Diamond, Ruby, Sapphire, Platinum
EGL Certified 1.10 Carat Round Diamond Platinum Solitaire Engagement Ring
Located in Stamford, CT
Size 7 and sizable
Platinum
Stamped: Plat 900 100 IRID
4.2 grams
Width at top: 7.9mm
Height at top
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
Platinum 2.08ct Colombia Emerald Diamond Ballerina Ring, AGL
Located in New York, NY
.
Weight: 14.0 grams
Stamp: "10$ IRID PLAT", "RING-DANT", "2501", "3140"
Category
20th Century Cluster Rings
Materials
Diamond, Emerald, Platinum
Vintage Tiffany & Co. Round Diamond 1.72 Carat Engagement Ring GIA H VS2
By Tiffany & Co.
Located in San Diego, CA
Color, VS1 Clarity
Hallmark: Tiffany&Co. IRID.PLAT
Includes: GIA Diamond Report, Certified Appraisal
Category
Vintage 1950s Engagement Rings
Materials
Diamond, Platinum
.57 Carat Diamond Old European Cut Platinum Filigree Engagement Ring
Located in Stamford, CT
sizable
Platinum
Tested: Platinum
Stamped: Plat 10% Irid
Width at top: 11.02mm
Height at top: 5.90mm
Width
Category
Early 20th Century Engagement Rings
Materials
Diamond, Platinum
Tiffany & Co GIA Certified 1.20ct Center Diamond 2.30ct Side Diamond Pin
Located in New York, NY
TIFFANY&Co IRID PLAT.
Inventory #18187BNBS
Category
20th Century Brooches
Materials
Diamond, Platinum
Antique Platinum 0.60ctw Old European Cut Diamond Floral Work Engagement Ring
Located in Montclair, NJ
Height: 4.7mm rise off the finger
Stamp: 900 PLAT - 100 IRID
Condition: Antique. Shows some light wear
Category
21st Century and Contemporary Art Deco Engagement Rings
Materials
Diamond, Platinum
6.36 Carat Round Black Opal and Diamond Platinum Cocktail Ring
Located in Chevy Chase, MD
stamped "10% IRID PLAT". The ring is currently a size 6.75, and can be adjusted as needed. Offered b
Category
Mid-20th Century American Art Deco Cocktail Rings
Materials
Diamond, Opal, Black Opal, Platinum
Oscar Heyman Diamond and Black Jade Art Deco - Inspired Clip Earrings
By Oscar Heyman
Located in New York City, NY
hand at Oscar Heyman's workshop by our lapidary. It is stamped with the makers mark, IRID PLAT, and
Category
2010s American Contemporary Clip-on Earrings
Materials
Diamond, Jade, Black Jade, Platinum
Oscar Heyman 1.72 Carat Sapphire & Diamond Gent's Ring
By Oscar Heyman
Located in New York City, NY
trilliant diamonds (I-G/SI1-VS2, 0.23tcw). It is stamped with the makers mark, IRID PLAT, and serial number
Category
2010s American Contemporary Signet Rings
Materials
Diamond, Sapphire, Platinum
.31 Carat Diamond Platinum Swirl Ring
Located in Stamford, CT
-H VS approx..17cts
Size 7.75 and sizable
Platinum
Stamped: 10% IRID PLAT
5.6 grams
Width at top
Category
Mid-20th Century Fashion Rings
Materials
Diamond, Platinum
- 1
- ...
Get Updated with New Arrivals
Save "Plat Irid", and we’ll notify you when there are new listings in this category.
Plat Irid For Sale on 1stDibs
Find the exact plat irid you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from platinum, gold and 18k gold — can elevate any look. You can easily find a 334 antique edition and 24 modern creations to choose from as well. If you’re looking for a plat irid from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. Finding an appealing plat irid — no matter the origin — is easy, but Tiffany & Co., Oscar Heyman and Paloma Picasso for Tiffany & Co. each produced a popular version that is worth a look. See these pages for a round cut iteration of this accessory, while there are also old european cut cut and baguette cut cut versions available here, too. When shopping for a plat irid, you’ll find that there are less available pieces for unisex or men today than there are for women.
How Much is a Plat Irid?
On average, a plat irid at 1stDibs sells for $7,295, while they’re typically $490 on the low end and $120,000 for the highest priced versions of this item.
Read More
Our Guide to Engagement Ring Settings – And How to Choose One
There are many ways to showcase a diamond, from traditional prongs to a smooth, streamlined bezel. Here’s everything you need to consider.
Nothing Says Summer Heat Like This Ruby-Red Cartier Stunner
The vintage bombé ring is bursting with color and timeless style.
Zircon Rings: Our Guide to a Uniquely Colorful Natural Gemstone
Zircon is a magnificent and underrated natural gemstone that has been worn and adored for centuries.
[Survey] Two-Thirds of Jewelry Gift Recipients Don’t Want to Be Surprised
Givers of fine gems enjoy surprise more than receivers, and women more than men. Find out what else our survey of 3,000 Americans revealed.
Colorful Gemstones Are a Brilliant Choice for Engagement Rings
If diamonds don’t seem right, what about a magnificent sapphire, ruby or emerald?
Our Guide to Fancy-Colored Diamond Engagement Rings
Accounting for just 1 percent of all diamonds, these marvels of nature are exceedingly rare and gorgeously complex.
Our Guide to Victorian, Edwardian and Art Deco Engagement Rings
Learn about these antique jewelry styles, then choose a design that speaks to you.
Talking Diamonds with the Jeweler Behind J. Lo’s Engagement Ring
Alon Ruschin, of Vivid Diamonds & Jewelry, channels his passion for gems into helping clients find just the right ring.
More Ways To Browse
Tiffany Circular Diamond Pin
Snowman Brooch
Vintage Lady Hamilton Watches
Diamond Tiffany Shoes
Ruser Platinum Bracelet
Tiffany Diamond Ball Ring
Partway Diamond Wedding Bands
Columbian Emerald 9 Carat Ring
Tiffany Balls For Rings
Oscar Heyman Pearl Earrings
Important Diamond Hamilton
Tiffany Snowman
Snowman Tiffany And Co
Rolex Gmt Master Rose Gold
Rolex Milgauss 3131
Rolex Oysterdate Ref 6694
Left Hand Rolex Gmt
2020 Daytona Rolex